At the outset of the coronavirus pandemic, Miami-Dade County spent $400,000 on temperature-reading cameras to detect people with fevers. The problem? Some tests show the devices are ineffective.
When COVID-19 began spreading in the U.S., local governments were left scrambling for ways to detect the deadly virus and protect their residents. Thermal cameras from an Illinois-based company called RedSpeed USA were one of many unproven tech devices that promised to help.